- ASA: The ASA grading standard refers to the American Society of Anesthesiologists (ASA) classification of patients into six levels before anesthesia on the basis of their physical condition and surgical risk
- R.E.N.A. L: R.E.N. The L score is a method for describing the anatomical characteristics of renal tumors. It mainly evaluates renal tumors from five aspects: the maximum diameter of the tumor (R), whether it is exophytic (E), the distance from the renal sinus and collecting system (N), whether it is located on the ventral side of the kidney (A), and the distance from the longitudinal axis of the kidney (L)
- BUN Blood urea nitrogen, Scr Serum creatinine, UA Serum uric acid, GFR Glomerular filtration rate
- aThe Shapiro‒Wilk test was used to check for normality, an independent sample t test was used, and the data are expressed as the means ± standard deviations
- bQualitative data were statistically described via rates or composition ratios (n, %), and categorical variables were compared via the Pearson chi-square test and Fisher’s exact test
